​Foreign citizens wishing to engage in gainful or professional activity or employment, must meet the following requirements:

- Being over the age of 16, except for self-employment, in which case it is necessary to be over 18.- Obtaining the corresponding prior authorization to reside and work in Spain. This authorization must be requested by the employer offering the labour contract.- Obtaining a visa once the residence and work authorization has been issued.

What must a foreign worker do when arriving in Spain?After arriving in Spain, foreign workers must:

- Register in the corresponding Social Security scheme.- Apply for a foreigner identity card.

Citizens of the European Union and their family members, provided that the latter travel with or meet said citizens, are subject to a specific legal system based on the rights recognized in the Treaties.